The little "c" representing the speed of light is perhaps the most famous symbol in physics and astronomy. It is one of the most fundamental constants in the world. Which means it is the same no matter in the world you are. Video explains how speed of light is measured. Video is of good quality and appropriate for high school students. Run time 5 mins.

Conversations with History - Leon Botstein "Music and Education"
Leon Botstein, President, Bard College; Conductor and Music Director, New York Symphony Orchestra
Conversations host Harry Kreisler welcomes Leon Botstein, President of Bard College and conductor and music director of the New York Symphony Orchestra. Botstein traces his dual career paths. He compares leadership in an orchestra and in a liberal arts college. He recalls his innovations as a conductor emphasizing the need to place music in its intellectual, political and sociAuthor(s): No creator set

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Is there a future for trade unions In this podcast Professor Andreas Bieler looks ahead to the planned TUC demonstrations against cuts in the public sector, and asks if the unions have a chance of forcing u-turns.Author(s): No creator set

Jeffrey Sachs Jeffrey D. Sachs, Director of the Earth Institute at Colombia U. Special Advisor to UN Secretary General Ban Ki-moon. Global Initiatives Presents: "Is There a Path to Sustainable Development- and Can the World Get on It?"Author(s): No creator set

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Deborah Stevenson: Six Months Deborah Stevenson delivers her poem 'Six Months' to the audience at the launch of the Nottingham University Samworth Academy's Writer in Residence programme.
If you want to find out more about the programme check out the website
http://www.nottingham.ac.uk/education/prospective/undergraduate/creative-professional-writing/students.aspxAuthor(s): No creator set

For global supply read local Events in Japan continue to impact on manufacturing supply chains. But factors other than natural disasters are reshaping the entire global supply chain systemAuthor(s): No creator set

No. 74: : Germs The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them. This episode is available in audio format. This page recounts the contributions af various persons to the eventual development of the germ theory of disease.Author(s): John H. Lienhard